poojarayanki poojarayanki

05-04-2018
Mathematics

contestada

Given: ABCD is a trapezoid, AB = CD, BK ⊥ AD, AK = 10, KD = 20
Find: BC AD

Respuesta :

Professor1994 Professor1994

14-04-2018

AK=10; KD=20
AD=AK+KD
AD=10+20
AD=30

Like AB=CD this trapezoid is symmetric, then if we draw CL ⊥ AD:
LD=AK→LD=10
BC=KL=KD-LD=20-10→BC=10

Answers:
BC=10
AD=30

Ver imagen Professor1994

Answer Link

Otras preguntas

Please help me out on this question

what is one of the factors that helped buddhism spread through china

What is the kinetic energy of a 2,000kg boat moving at 5 meters per second?

Integrate e^x(sin(x) cos(x))

Please answer this question ASAP

Which amendment protects from the police searching the premises without a warrant or probabal cause?

What do children in the Netherlands use instead of stocking at Christmas time?

The path of a roller coaster after it has reached the top of the first hill follows a polynomial function as shown in the graph below....

The MAIN reason for the deforestation of the Amazon Rain Forest is A) the need for housing. B) the need to drill for oil. Eliminate C) the need to clear land

True or False: Copyright protection is easy to define and grant for websites, their designs, and/or their content